How to recover LimeSDR Mini V2.0

@VytautasB , I believe that was version 2.1.

Anyway, I suceeded to update the gw. The LED 2 is blinking with a green color now but not the others one. However, Lime Suite detects the board and the log displays this :

[12:13:02] INFO: Disconnected control port
[12:13:20] ERROR: TransferPacket: Read failed (ret=-1)
[12:13:20] ERROR: TransferPacket: Read failed (ret=-1)
[12:13:20] ERROR: TransferPacket: Read failed (ret=-1)
[12:13:20] ERROR: TransferPacket: Read failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Read failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Read failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Read failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Read failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Read failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Read failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Read failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Read failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Read failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Read failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] ERROR: TransferPacket: Write failed (ret=-1)
[12:13:26] INFO: Connected Control port: UNKNOWN FW:0 HW:0 Protocol:0 GW:0.0 Ref Clk: -0.00 MHz